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Sun Valley, Nevada Weather

Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →

Sun Valley weather forecast — hour by hour, 7-day outlook, NOAA radar

Sun Valley, NV
Sunday, July 5 at 8:06 AM
71
°
Overcast
Feels like
64°
Humidity
34%
Wind
11 mph
Sunrise
10:37 PM
Sunset
1:29 PM
Sun Valley, NV
Hour by hour · 24h
24-Hour ForecastSun Valley, NV: 24-hour forecast. Temperatures range from 61 to 86 degrees Fahrenheit.
L 61°H 86°
Sun Valley, NV
7-day forecast
  1. Today
    Jul 5
    Light Drizzle
    14%
    —
    86°65°—
  2. Monday
    Jul 6
    Overcast
    —
    —
    88°61°+2°
  3. Tuesday
    Jul 7
    Overcast
    —
    —
    92°58°+4°
  4. Wednesday
    Jul 8
    Overcast
    —
    —
    92°53°0°
  5. Thursday
    Jul 9
    Clear
    —
    —
    93°57°+1°
  6. Friday
    Jul 10
    Partly Cloudy
    —
    —
    96°57°+3°
  7. Saturday
    Jul 11
    Overcast
    —
    —
    98°59°+2°
Sun Valley, NV
Next 24 hours · Mild now
HOT 90°55°75°95°6a12p6p12anow 71°high 86°low 61°PRECIP %
Sun Valley, NV
Anemometer · 24h winds · from true
NESW
From · True
NW
316° · backing 24°
Direction
NW
316°
Sustained
11
mph
Gust
15
mph
Peak 24h
28
avg 10
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 10 · pk 28 @ 8:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 172SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 24° from the nw.
Sun Valley, NV
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
851.6
+1.4 mb in 3h · rising · 25.15 inHg
Now
851.6
mb
3h
+1.4
mb
12h
-0.3
mb
24h
-2.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 850–856
845850855860-21h-18h-15h-12h-9h-6h-3h-24hNOW855.9849.9851.6
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Sun Valley, NV
Air quality
27
AQI
Good
↓-19 in 6h▲Peak ~47 @ 9 PM

AQI 27 (Good), driven by Ozone. AQI down 19 over the last 6 hours — air quality is improving sharply. Ozone at AQI 44. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.

PM 2.5Good
6.1μg/m³
PM 10Good
9μg/m³
NO₂Good
4μg/m³
OzoneDRIVERModerate
94μg/m³
UV IndexLow
1.6

What's driving it

Ozone × UV × Sky

Ozone at AQI 44. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.

Present
AQI 44
UV peak
5.3 at 1 PM
Sky at peak
overcast
Projected peak
AQI 16

PM × Wind × Precip

PM2.5 at 6.1 µg/m³ (AQI 34), ratio 0.69 with 11 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.69
Wind
breezy
Recent rain
0h in last 6h
Pattern
transport

Trends

Seven days of AQI and PM2.5.

Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).

7-DAY AQI TREND50100SUNMONTUEWEDTHUFRISATSUN7-DAY PM2.5 TREND · μg/m³300
Sun Valley, NV
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow
Visibility
107.6mi
UNLIMITED
185 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
15:06 UTC · Sun Valley, NV · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
15:06 UTC · Sun Valley, NV · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Sun Valley, NV
Satellite · infrared · animated
Sun Valley, NV
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Sun Valley, NV
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:06 AM
Sunrise
10:37 PM
Daylight
14h 52m
Sunset
1:29 PM
Civil dusk
9:03 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Sun Valley, NV
The moon
Waning Gibbous
72% illuminated
Moonrise
11:19 PM
Moonset
11:17 AM
In sign
♓︎ Pisces
Sun Valley, NV
Microseason
Jul 1–5

Summer heat deepens across the valleys

weather
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Sun Valley at a glance

  • Today vs. normal: 71°F — typical for the season
  • Last frost: April 14 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 89433

16-Day Forecast — Sun Valley

  1. Sun88°65°14%
  2. Mon88°61°2%
  3. Tue92°58°1%
  4. Wed92°53°0%
  5. Thu93°57°0%
  6. Fri96°57°0%
  7. Sat98°59°1%
  8. Sun96°61°2%
  9. Mon98°68°11%
  10. Tue98°69°11%
  11. Wed94°64°7%
  12. Thu78°62°7%
  13. Fri94°64°16%
  14. Sat99°68°16%
  15. Sun100°69°19%
  16. Mon95°73°19%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Sun Valley

SPC includes Sun Valley in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

January 1–5: New year in coastal mist.January 6–10: Hills hold the winter cold.January 11–15: Light lengthens over wet earth.January 16–20: The green pulse quickens.January 21–25: Spring green spreads inland.January 26–31: Winter's grip releases.February 1–5: Fog lifts, flowers open.February 6–10: Blooms erupt across chaparral.February 11–15: Winter blooms at their peak.February 16–20: Rivers recede, flowers spread.February 21–25: Earth warms, flowers rush upslope.February 26–28: Spring advances on cool winds.March 1–5: Grass and trees bud and break.March 6–10: Insects wake and feed.March 11–15: Blossoms crown the hillsides.March 16–20: Monarch chrysalis emergence.March 21–25: Light overtakes dark at equinox.March 26–31: California poppy ablaze.April 1–5: Spring rain feeds the seedlings.April 6–10: Warblers flood the understory.April 11–15: Allen's hummingbirds in courtship dives.April 16–20: Coastal fog settles; sun breaks midday.April 21–25: Oak canopies full and green.April 26–30: Chaparral awakens after spring rains.May 1–5: Coastal wildflowers at their peak.May 6–10: Gray whales complete their migration north.May 11–15: Redwood coast in cool shade.May 16–20: Fog and sun in daily rhythm.May 21–25: Summer approaches; hills turn gold.May 26–31: Dry season begins; tule fog in valleys.June 1–5: Coastal fog thickens at dawn.June 6–10: California poppies fade as heat rises.June 11–15: Summer solstice light stretched thin.June 16–20: Bay laurel fragrance sweetens shade.June 21–25: Longest daylight, driest air.June 26–30: Fog banks mask the turning tide.July 1–5: Summer heat deepens across the valleys.July 6–10: Warm winds drive dryness inland.July 11–15: Pacific high settles in firmly.July 16–20: Young hawks take to the thermals.July 21–25: Peak fire season, peak heat.July 26–31: Chaparral poised for ignition.August 1–5: August begins in scorching stillness.August 6–10: Autumn's first cool breath arrives.August 11–15: Cool winds signal the turning year.August 16–20: Evening cicada chorus.August 21–25: Marine layer descent.August 26–31: Monarch staging begins.September 1–5: Fire season intensity.September 6–10: Dew on drying grasses.September 11–15: Raptor passage begins.September 16–20: Equinox descent.September 21–25: Ceanothus blooms again.September 26–30: Insects retreat below.October 1–5: Creeks begin to whisper.October 6–10: Santa Ana wind season.October 11–15: Wildflower anticipation.October 16–20: Chaparral embers glow.October 21–25: First atmospheric river looms.October 26–31: Rains return at last.November 1–5: Coast live oak leaves turn amber.November 6–10: California lilac blooms in winter light.November 11–15: First rain greens the chaparral.November 16–20: Coastal fog thickens as storms approach.November 21–25: Thanksgiving rains swell the valleys.November 26–30: Autumn's last breath yields to winter.December 1–5: December arrives, storms accelerate.December 6–10: Winter solstice season intensifies.December 11–15: Deep winter: rivers at flood stage.December 16–20: Winter salmon runs peak in northern rivers.December 21–25: Winter solstice: the sun turns.December 26–31: Year's end in wind and rain.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · July 1–5

Summer heat deepens across the valleys

Inland temperatures exceed 95°F regularly; fire danger reaches moderate to high across most of the region.

Day 186 of 365 · Wedge 37 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

In Sun Valley, July runs warmest near 77°F and December coldest around 36°F, while January is the wettest month (1.3 inches) and August the driest (0.2 inches).

MonthMean tempPrecipRainy days
January37°1.3″3
February40°1.0″3
March45°0.9″2
April50°0.5″2
May59°0.6″2
June68°0.5″1
July77°0.3″1
August75°0.2″1
September68°0.2″1
October55°0.6″2
November44°0.7″2
December36°1.2″3

Regional context

Sun Valley's climate, from NOAA NCEI 1991-2020 station normals, pairs 37°F Januarys with 77°F Julys — a 40°F swing. About 8.1 inches of precipitation falls over roughly 23 days a year.

Cool-season fronts carry Sun Valley's rain: January logs 1.3 inches on 3.1 days, against August's 0.2 inches on 0.8 — winter does the heavy lifting in Sun Valley. That cool-season-wet pattern aligns Sun Valley with places like Golden Valley, NV, Sparks, NV and Reno, NV.

The cool-season window in Sun Valley starts at mid-April, when nights stop freezing — think peas, lettuce, spinach, and radishes. Warm-soil crops in Sun Valley wait about two weeks past Sun Valley's last frost, once the soil warms. It shuts near mid-November, when freezes return to Sun Valley and tender plants need cover. Within Sun Valley, cold-air pooling chills low spots by 5-10°F, shifting Sun Valley's local frost dates.

Similar climates: Golden Valley, NV, Sparks, NV, Reno, NV, Lemmon Valley, NV, Spanish Springs, NV.

Frequently asked

When does it freeze in Sun Valley?
In Sun Valley, expect the last spring frost near mid-April; Sun Valley's first autumn frost comes around mid-November.
What is the rainy season in Sun Valley?
Rainfall in Sun Valley peaks in January near 1.3 inches, out of about 8 inches annually.
What is the warmest month in Sun Valley?
On average July tops the year in Sun Valley at about 77°F.
What is the coldest month in Sun Valley?
The coldest stretch in Sun Valley falls in December, around 36°F on average.
When can I start a vegetable garden in Sun Valley?
Around mid-April, start frost-hardy crops in Sun Valley; tomatoes and basil belong a fortnight later.
How many rainy days does Sun Valley get?
Expect roughly 23 wet days a year in Sun Valley.
What hardiness zone is Sun Valley?
With December around 36°F, Sun Valley's zone reflects that minimum — the USDA ZIP map confirms Sun Valley's band.
What is the 10-day forecast for Sun Valley?
Sun Valley's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in Sun Valley?
See this week's day-by-day rain chances for Sun Valley in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Sun Valley?
Current conditions for Sun Valley and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Sun Valley forecast updated?
The Sun Valley forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Sun Valley?
Today's sunrise and sunset times for Sun Valley are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
How accurate is the weather forecast for Sun Valley?
The next few days in Sun Valley's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Set in a hot-summer Mediterranean zone, Sun Valley, Nevada swings from 37°F in the heart of winter to 77°F at midsummer — a 40°F arc.

Across the year, Sun Valley collects about 8 inches of precipitation over roughly 23 days with measurable rain or snow.

Sun Valley sits at 39.6°N; that 40°F seasonal swing frames planting windows and frost dates across Sun Valley.

All cities in Nevada →

Reno, NV weather →

ZIP codes in Sun Valley

  • 89436
  • 89433

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.